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include ../../../buildenv.mk




# SL = Switch-Less
SL_DIR := $(LINUX_SDK_DIR)/switchless
SL_DIR_SRCS := $(SL_DIR)/sgx_uswitchless


EDGER8R_DIR = $(LINUX_SDK_DIR)/edger8r/linux
EDGER8R = $(EDGER8R_DIR)/_build/Edger8r.native

CPP_SRCS := $(wildcard $(SL_DIR_SRCS)/*.cpp)

# Files that do NOT match *_untrusted.c or *_untrusted.S are trusted components
C_SRCS := $(wildcard $(SL_DIR_SRCS)/*.c)
C_OBJS := $(C_SRCS:.c=.o)
CPP_OBJS := $(CPP_SRCS:.cpp=.o)

ALL_OBJS := $(CPP_OBJS) $(C_OBJS) 

SL_CXXFLAGS := $(CXXFLAGS)
SL_CXXFLAGS += -fPIC
SL_CXXFLAGS += -I$(COMMON_DIR)/inc          \
          -I$(COMMON_DIR)/inc/internal \
          -I$(SL_DIR)/inc


SL_CFLAGS := $(CFLAGS)
SL_CFLAGS += -Werror -D_GNU_SOURCE -fPIC
SL_CFLAGS += $(ADDED_INC)
SL_CFLAGS += -I$(COMMON_DIR)/inc          \
          -I$(COMMON_DIR)/inc/internal \
          -I$(SL_DIR)/inc


ifdef DEBUG
	SL_CFLAGS += -DSL_DEBUG
	SL_CXXFLAGS += -DSL_DEBUG
endif

OUT_LIB := libsgx_uswitchless.a

GREEN :=\033[1;32m
NC :=\033[0m

.PHONY: all build_src clean
all: build_src

build_src: $(OUT_LIB)

$(OUT_LIB): $(ALL_OBJS)
	@$(AR) rcs $@ $^
	@$(CP) $(OUT_LIB) $(BUILD_DIR)/
	@echo "$(GREEN)LINK => $@$(NC)"

$(C_OBJS): %.o: %.c sgx_tswitchless_u.h
	@$(CC) $(SL_CFLAGS) -c $< -o $@
	@echo "$(CC) <= $@" 

$(CPP_OBJS): %.o: %.cpp 
	@$(CXX) $(SL_CXXFLAGS) -c $< -o $@
	@echo "$(CXX) <= $@" 


sgx_tswitchless_u.h: $(EDGER8R)
	$(EDGER8R) --header-only --untrusted $(COMMON_DIR)/inc/sgx_tswitchless.edl --search-path $(COMMON_DIR)/inc

$(EDGER8R):
	$(MAKE) -C $(EDGER8R_DIR)


clean:
	@$(RM) -f $(OUT_LIB) $(ALL_OBJS) $(CPP_OBJS) $(BUILD_DIR)/$(OUT_LIB) sgx_tswitchless_u.h

